Four different Gantt Chart Approaches: each has its own preference dialog with many options.  The Preference dialog is brought up by F4 with any display.

Detail Gantt - Innumerable options: task select and sort, calendar length/start, interface graphics, critical dates, progress, summary tasks shown with/without task lines, changeable colors of features, tasks per screen, baseline tasks from another project, status line, text start/end dates  ... 

Summary Level Gantt - Options: task select, summary level, calendar, higher level task lines shown, baseline, status line, tasks per screen, progress as best/worst, text start/end dates ... 

Variable Level Summary Gantt - Vary the summary level to display detail in some areas while summarizing adjacent areas. Options similar to Summary Level Gantt.

Graphics Data Editing on Gantt - All tasks are shown in SWBS order.  Mouse can be used to change start/end dates, assigned critical dates, spans, and progress. Mouse position readout as date or days as applicable. Dialogs available to make interface and string changes. Not printed.